DP Physics (first assessment 2025)

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Question SPM.1A.HL.TZ0.29

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.29
Level HL Paper 1A Time zone TZ0
Command term Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
SPM.1A.HL.TZ0.29

A rectangular conducting coil rotates at a constant angular velocity in a uniform magnetic field. The rotation axis of the coil is perpendicular to the field.

At one instant the plane of the coil is at an angle θ to the direction of the field.

The magnitude of the emf induced in the coil is


A.  never zero.

B.  at a maximum when θ = 0° or 180°.

C.  at a maximum when θ = 45° or 225°.

D.  at a maximum when θ = 90° or 270°.

[1]

Markscheme

B

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